The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 9, 2026

Lycoming IO-540 series

4,218 aircraft on the U.S. register carry a Lycoming IO-540 series engine, rated at about 300 horsepower. The Piper PA-32 Cherokee Six, Lance and Saratoga is the model most often fitted with it (1,059 aircraft). The aircraft carrying it were built between 1965 and 2026.

The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Lycoming IO-540 series (2 codes). FAA spellings: IO-540 SER · IO 540 SER.

When the aircraft were built by decade

By decade built, as a table
aircraft
19402
195013
196096
1970797
1980579
1990748
20001,339
201078
202056

What the FAA has certified, ordered and been told about the Lycoming IO-540 series the component layer

The design is held under 1 type certificate (1E4, held by Lycoming Engines). The FAA has issued 49 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 316 failure reports with the FAA since 1995, 17 of them in the last ten years.

FAA orders 49 airworthiness directives · newest first

2026-09-142026-17-10 · Reciprocating Engine Cylinder Section · engine
2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2022-08-152022-16-03 · Engine (RECIPROCATING) · engine
2017-08-152017-16-11 · Reciprocating Engine Power Section · engine
2015-11-032015-19-07 · Fuel injector fuel lines · engine

All orders naming the Lycoming IO-540 series

Failure reports 316 since · what operators and shops told the FAA

012253850950005101523226
Failure reports by year, as a table
reports
953
963
973
984
994
0011
0137
0215
0337
0434
0550
0630
0719
0812
093
1012
112
127
135
146
152
171
194
202
222
231
245
262

Parts most often reported as the reports name them

Magneto19Cylinder10Bearing8Gasket8Bolt7Boot7Actuator6Line6Pump6Baffle5
Parts most reported, as a table
reports
Magneto19
Cylinder10
Bearing8
Gasket8
Bolt7
Boot7
Actuator6
Line6
Pump6
Baffle5

Latest reports

2026-05-09Thrust Button: faulted
2026-01-29Magneto: failed
2024-08-07Magneto: failed
2024-08-06Magneto: failed
2024-03-14Magneto: failed

Certificates and bulletins

1E4Type certificate held by Lycoming Engines · 81 models listed · revised February 28, 2018

Safety bulletins 14 · advice, not orders

2019-05-02NE-19-08 · Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders
2016-05-13NE-08-32R1 · Propeller Governor Idler Gear Shaft Set Screw
2014-03-24NE-14-13 · Reciprocating Engine - Cylinder Mounting Studs
2012-11-21NE-13-06 · Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320,...
2011-03-31NE-08-26R3 · Magneto/Distributor

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how this engine series links to the rest of the register

Fitted to
Where they are
Biggest operators
Airworthiness

The whole map of how records connect · these connections as data: /graph/engine/lycoming-io-540-series.json.

Aircraft newest certificates first · 4,218

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N246SV Maule
M-7-235C
Fixed-wing, single engine N246Sv CORP Trustee
Wilmington, Delaware
Standard 2009-09-01 ValidFAA registration status code V: Valid registration. All codes
N610RY Zasadny John M
SH3
Fixed-wing, single engine Individual owner
Florida
Experimental 2009-08-24 ValidFAA registration status code V: Valid registration. All codes
N86RP Cessna
182S
Fixed-wing, single engine Petree Aviation LLC
Shreveport, Louisiana
Standard 2009-08-13 ValidFAA registration status code V: Valid registration. All codes
N159LB Bender L D
RV-10
Fixed-wing, single engine Individual owner
Nebraska
Experimental 2009-08-11 ValidFAA registration status code V: Valid registration. All codes
N42GA Robinson Helicopter
R44 II
Helicopter Guidance Helicopters INC
Prescott, Arizona
Standard 2009-08-05 ValidFAA registration status code V: Valid registration. All codes
N334CK Piper
PA-32R-301
Fixed-wing, single engine Individual owner
Michigan
Standard 2009-07-28 ValidFAA registration status code V: Valid registration. All codes
N20DZ Socata
TB-20 TRINIDAD
Fixed-wing, single engine Weathers Air LLC
Longwood, Florida
Standard 2009-07-27 ValidFAA registration status code V: Valid registration. All codes
N115PF Cessna
182S
Fixed-wing, single engine High Tech Metals INC
Harrisburg, Pennsylvania
Standard 2009-07-17 ValidFAA registration status code V: Valid registration. All codes
N862PZ Cessna
182S
Fixed-wing, single engine Individual owner
Kentucky
Standard 2009-07-15 ValidFAA registration status code V: Valid registration. All codes
N901TT Robinson Helicopter
R44 II
Helicopter Emerald City Aircraft Leasing INC
Port Orchard, Washington
Restricted 2009-06-30 ValidFAA registration status code V: Valid registration. All codes
N9342F Cessna
182S
Fixed-wing, single engine Individual owner
Delaware
Standard 2009-06-23 ValidFAA registration status code V: Valid registration. All codes
N27AM Meyer Alfred R
HOMESTEADER
Fixed-wing, single engine Individual owner
Alaska
Experimental 2009-06-19 ValidFAA registration status code V: Valid registration. All codes
N5437Y Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Maryland
Standard 2009-06-17 ValidFAA registration status code V: Valid registration. All codes
N234DG Maule
M-7-235C
Fixed-wing, single engine Individual owner
New York
Standard 2009-06-11 ValidFAA registration status code V: Valid registration. All codes
N782RM Cessna
182T
Fixed-wing, single engine Mbs Aviation LLC
York, South Carolina
Standard 2009-06-10 ValidFAA registration status code V: Valid registration. All codes
N5207K Navion
NAVION A
Fixed-wing, single engine Individual owner
Mississippi
Experimental 2009-06-05 ValidFAA registration status code V: Valid registration. All codes
N320RC Cessna
182T
Fixed-wing, single engine Eastern Properties LLC
Burlington, New Jersey
Standard 2009-06-03 ValidFAA registration status code V: Valid registration. All codes
N641BB Piper
PA-32-301
Fixed-wing, single engine Jones Legal Holdings LLC
Pikeville, Kentucky
Standard 2009-05-29 ValidFAA registration status code V: Valid registration. All codes
N815JM Maling Jeff
MURPHY MOOSE SR-3500
Fixed-wing, single engine Individual owner
Wyoming
Experimental 2009-05-29 ValidFAA registration status code V: Valid registration. All codes
N316LF Furlong Lou
BARRACUDA
Fixed-wing, single engine Individual owner
Alabama
Experimental 2009-05-27 ValidFAA registration status code V: Valid registration. All codes
N8415F Piper
PA-32R-301
Fixed-wing, single engine Individual owner
Alaska
Standard 2009-05-13 ValidFAA registration status code V: Valid registration. All codes
N9796C Piper
PA-32RT-300
Fixed-wing, single engine Hellix LLC
Charlotte, North Carolina
Standard 2009-04-24 ValidFAA registration status code V: Valid registration. All codes
N59652 Piper
PA-36-300
Fixed-wing, single engine Aircraft Montana LLC
Helena, Montana
Restricted 2009-04-09 ValidFAA registration status code V: Valid registration. All codes
N226DT Piper
PA-32R-301
Fixed-wing, single engine Alpha Tango LLC
Glenn Dale, Maryland
Standard 2009-04-06 ValidFAA registration status code V: Valid registration. All codes
N83187 Piper
PA-32-301
Fixed-wing, single engine Angler Aviation LLC
North Miami, Florida
Standard 2009-03-30 ValidFAA registration status code V: Valid registration. All codes
N44DQ Robinson Helicopter
R44 II
Helicopter Tumbleweed Leasing CO INC
Salt Lake City, Utah
Standard 2009-03-25 ValidFAA registration status code V: Valid registration. All codes
N14718 Bellanca
17-31A
Fixed-wing, single engine Co-owned owner
South Dakota
Standard 2009-03-18 ValidFAA registration status code V: Valid registration. All codes
N81305 Piper
PA-32-300
Fixed-wing, single engine Individual owner
Massachusetts
Standard 2009-03-13 ValidFAA registration status code V: Valid registration. All codes
N442RN Robinson Helicopter
R44 II
Helicopter Individual owner
Idaho
Standard 2009-03-03 ValidFAA registration status code V: Valid registration. All codes
N2099N Cessna
182T
Fixed-wing, single engine Individual owner
Texas
Standard 2009-03-02 ValidFAA registration status code V: Valid registration. All codes
N36KS Bellanca
17-31ATC
Fixed-wing, single engine Individual owner
Montana
Standard 2009-02-28 ValidFAA registration status code V: Valid registration. All codes
N7UE Maule
M-7-235
Fixed-wing, single engine Lowery Land Company LLC
Amagon, Arkansas
Standard 2009-02-27 ValidFAA registration status code V: Valid registration. All codes
N9525P Cessna
182S
Fixed-wing, single engine Georgetown Flying Club LLC
Pawleys Island, South Carolina
Standard 2009-02-25 ValidFAA registration status code V: Valid registration. All codes
N545PG Gore James Roy Jr
RV-10
Fixed-wing, single engine Gore Equipment Leasing LLC
Griffin, Georgia
Experimental 2009-02-09 ValidFAA registration status code V: Valid registration. All codes
N8165N Piper
PA-32R-301
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2009-02-09 ValidFAA registration status code V: Valid registration. All codes
N63981 Piper
PA-23-250
Fixed-wing, multi-engine Laurel Highlands Aviation LLC
Somerset, Pennsylvania
Standard 2009-02-03 ValidFAA registration status code V: Valid registration. All codes
N98VL Robinson Helicopter
R44 II
Helicopter Vortex Leasing LLC
Racine, Wisconsin
Standard 2009-01-16 ValidFAA registration status code V: Valid registration. All codes
N9409C Piper
PA-32RT-300
Fixed-wing, single engine N9409C LLC
Phillipsburg, Kansas
Standard 2009-01-15 ValidFAA registration status code V: Valid registration. All codes
N120J Butler John R
SX 300
Fixed-wing, single engine Rainbow Sports INC
Enid, Oklahoma
Experimental 2009-01-14 ValidFAA registration status code V: Valid registration. All codes
N811GS Piper
PA-32RT-300
Fixed-wing, single engine Tri-Delta Design LLC
Cedar Park, Texas
Standard 2009-01-12 ValidFAA registration status code V: Valid registration. All codes
N2442Q Cessna
182S
Fixed-wing, single engine Coastal Business Systems INC
Eureka, California
Standard 2009-01-09 ValidFAA registration status code V: Valid registration. All codes
N57133 Cessna
T206H
Fixed-wing, single engine Individual owner
California
Standard 2009-01-09 ValidFAA registration status code V: Valid registration. All codes
N18WM Piper
PA-32-301
Fixed-wing, single engine Island Cay Express INC
Wilmington, Delaware
Standard 2009-01-08 ValidFAA registration status code V: Valid registration. All codes
N345DC Cain Richard B
GLASAIR III
Fixed-wing, single engine Co-owned owner
Kentucky
Experimental 2009-01-08 ValidFAA registration status code V: Valid registration. All codes
N333RZ Robinson Helicopter
R44 II
Helicopter Jj Magic LLC
Wilmington, Delaware
Standard 2008-12-19 ValidFAA registration status code V: Valid registration. All codes
N2144V Cessna
182T
Fixed-wing, single engine Anson Air LLC
Sugar Land, Texas
Standard 2008-12-16 ValidFAA registration status code V: Valid registration. All codes
N47EC Eslick Peter O
RV-10
Fixed-wing, single engine Rv Aviation LLC
Wilmington, Delaware
Experimental 2008-12-08 ValidFAA registration status code V: Valid registration. All codes
N669GB Piper
PA-28-236
Fixed-wing, single engine Individual owner
Pennsylvania
Standard 2008-12-05 ValidFAA registration status code V: Valid registration. All codes
N175MK Robinson Helicopter
R44 II
Helicopter 175Mk LLC
Webberville, Michigan
Standard 2008-12-01 ValidFAA registration status code V: Valid registration. All codes
N2377Z Piper
PA-23-250
Fixed-wing, multi-engine Individual owner
Kentucky
Standard 2008-12-01 ValidFAA registration status code V: Valid registration. All codes
N74666 Robinson Helicopter
R44 II
Helicopter Co-owned owner
Oregon
Standard 2008-11-21 ValidFAA registration status code V: Valid registration. All codes
N3528D Cessna
182T
Fixed-wing, single engine Bank of Utah Trustee
Salt Lake City, Utah
Standard 2008-11-04 ValidFAA registration status code V: Valid registration. All codes
N2349R Cessna
182S
Fixed-wing, single engine Salser Aviation LLC
Ocala, Florida
Standard 2008-11-03 ValidFAA registration status code V: Valid registration. All codes
N232ME Cessna
182S
Fixed-wing, single engine Individual owner
North Carolina
Standard 2008-10-30 ValidFAA registration status code V: Valid registration. All codes
N28933 Piper
PA-32-300
Fixed-wing, single engine Lewis Group Properties LLC
Apex, North Carolina
Standard 2008-10-22 ValidFAA registration status code V: Valid registration. All codes
N2F Piper
AEROSTAR 601P
Fixed-wing, multi-engine Individual owner
Tennessee
Standard 2008-10-16 ValidFAA registration status code V: Valid registration. All codes
N4351U Piper
PA-32R-301
Fixed-wing, single engine Hosteter Aviation LLC
Gentry, Arkansas
Standard 2008-10-16 ValidFAA registration status code V: Valid registration. All codes
N45PE Piper
PA-32R-301
Fixed-wing, single engine Six Flying Monkeys LLC
Frisco, Texas
Standard 2008-10-14 ValidFAA registration status code V: Valid registration. All codes
N1403Z Aerofab Inc
LAKE LA-250
Fixed-wing, single engine Mid America Sprayers INC
Ulysses, Kansas
Standard 2008-10-09 ValidFAA registration status code V: Valid registration. All codes
N72CL Lamb
CJ-1
Fixed-wing, single engine Cjr Wings
Harrisburg, Pennsylvania
Experimental 2008-10-09 ValidFAA registration status code V: Valid registration. All codes
N3643T Piper
AEROSTAR 600
Fixed-wing, multi-engine Bds Flyer LLC
Middletown, Delaware
Standard 2008-10-03 ValidFAA registration status code V: Valid registration. All codes
N494SH Robinson Helicopter
R44 II
Helicopter Ihde Investments LP
Red Oak, Texas
Standard 2008-09-19 ValidFAA registration status code V: Valid registration. All codes
N494CM Martin Christopher C
VELOCITY XL RG
Fixed-wing, single engine Leadership In Training Education INC DBA
Apollo Beach, Florida
Experimental 2008-09-12 ValidFAA registration status code V: Valid registration. All codes
N6JZ Piper
PA32-301FT
Fixed-wing, single engine Faith Church of Sherman
Sherman, Texas
Standard 2008-09-10 ValidFAA registration status code V: Valid registration. All codes
N109JL Linthicum Jerry A
GLASSAIR III
Fixed-wing, single engine Individual owner
Hawaii
Experimental 2008-09-09 ValidFAA registration status code V: Valid registration. All codes
N194HP Piper
PA-32R-301
Fixed-wing, single engine Highwood Consulting Group INC
Bedford, New Hampshire
Standard 2008-09-02 ValidFAA registration status code V: Valid registration. All codes
N448SH Robinson Helicopter
R44 II
Helicopter November Alpha LLC
Los Angeles, California
Standard 2008-08-28 ValidFAA registration status code V: Valid registration. All codes
N411DP Rockwell International
114A
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2008-08-14 ValidFAA registration status code V: Valid registration. All codes
N276TM Piper
PA-32-300
Fixed-wing, single engine Volante LLC
Livermore, California
Standard 2008-08-07 ValidFAA registration status code V: Valid registration. All codes
N8069A Piper
PA-32R-301
Fixed-wing, single engine Infinity Aviation St Cloud LLC
Rice, Minnesota
Standard 2008-08-07 ValidFAA registration status code V: Valid registration. All codes
N4438 Britten-Norman
BN-2A-20
Fixed-wing, multi-engine Spirit Air INC
Salmon, Idaho
Standard 2008-07-22 ValidFAA registration status code V: Valid registration. All codes
N23677 Cessna
182S
Fixed-wing, single engine Individual owner
California
Standard 2008-07-18 ValidFAA registration status code V: Valid registration. All codes
N182GF Cessna
182S
Fixed-wing, single engine Individual owner
Washington
Standard 2008-07-17 ValidFAA registration status code V: Valid registration. All codes
N2429R Cessna
T206H
Fixed-wing, single engine Co-owned owner
Alaska
Standard 2008-07-16 ValidFAA registration status code V: Valid registration. All codes
N2376X Cessna
182S
Fixed-wing, single engine Individual owner
North Carolina
Standard 2008-07-11 ValidFAA registration status code V: Valid registration. All codes
N98VP Parrish Jerry
BERKUT
Fixed-wing, single engine Individual owner
California
Experimental 2008-07-09 ValidFAA registration status code V: Valid registration. All codes
N570DB Cessna
182T
Fixed-wing, single engine Atlas Aviation Tampa INC
Tampa, Florida
Standard 2008-07-08 ValidFAA registration status code V: Valid registration. All codes
N7256H Cessna
182S
Fixed-wing, single engine Chaparral Aviation LLC
Edmond, Oklahoma
Standard 2008-06-20 ValidFAA registration status code V: Valid registration. All codes
N72669 Cessna
182S
Fixed-wing, single engine Mid-Island Air Service INC
Ronkonkoma, New York
Standard 2008-06-17 ValidFAA registration status code V: Valid registration. All codes
N288CD Maule
MT-7-235
Fixed-wing, single engine Individual owner
Texas
Standard 2008-06-12 ValidFAA registration status code V: Valid registration. All codes
N510HR Young Richard N
HARMON ROCKET II
Fixed-wing, single engine Brian Investments LLC
Elizabethtown, North Carolina
Experimental 2008-06-12 ValidFAA registration status code V: Valid registration. All codes
N8UU Swann Lynn J
SEAWIND 3000
Fixed-wing, single engine Boltair LTD
Seward, Alaska
Experimental 2008-06-11 ValidFAA registration status code V: Valid registration. All codes
N455HS Cessna
182T
Fixed-wing, single engine Individual owner
Vermont
Standard 2008-06-09 ValidFAA registration status code V: Valid registration. All codes
N2461E Cessna
182S
Fixed-wing, single engine Wadekamper Leo
Helena, Montana
Standard 2008-06-06 ValidFAA registration status code V: Valid registration. All codes
N42WH Piper
AEROSTAR 601
Fixed-wing, multi-engine F & F Automotive INC
Valliant, Oklahoma
Standard 2008-05-23 ValidFAA registration status code V: Valid registration. All codes
N778RC Piper
PA-32-300
Fixed-wing, single engine Bwear Enterprises LLC
Birmingham, Alabama
Standard 2008-05-19 ValidFAA registration status code V: Valid registration. All codes
N2454G Cessna
182T
Fixed-wing, single engine Individual owner
Utah
Standard 2008-05-13 ValidFAA registration status code V: Valid registration. All codes
N42273 Cessna
182S
Fixed-wing, single engine Reeds Pharmacy LLC
Berkeley Springs, West Virginia
Standard 2008-04-29 ValidFAA registration status code V: Valid registration. All codes
N9264A Piper
PA-32R-301
Fixed-wing, single engine Archer II Holding Company LLC
Coral Gables, Florida
Standard 2008-04-23 ValidFAA registration status code V: Valid registration. All codes
N67RL Socata
TB-20 TRINIDAD
Fixed-wing, single engine Individual owner
Texas
Standard 2008-04-17 ValidFAA registration status code V: Valid registration. All codes
N287AW Stenger Doug
HARMON ROCKET II
Fixed-wing, single engine T&T Trucking INC
Newberg, Oregon
Experimental 2008-03-24 ValidFAA registration status code V: Valid registration. All codes
N1014Q Maule
M-7-235B
Fixed-wing, single engine Individual owner
Idaho
Standard 2008-03-21 ValidFAA registration status code V: Valid registration. All codes
N72KF Cessna
182T
Fixed-wing, single engine Individual owner
Texas
Standard 2008-03-18 ValidFAA registration status code V: Valid registration. All codes
N4131V Piper
PA-32R-301
Fixed-wing, single engine Bened Enterprises LLC
Jensen Beach, Florida
Standard 2008-03-03 ValidFAA registration status code V: Valid registration. All codes
N65567 Cessna
182T
Fixed-wing, single engine Skylane Sky LLC
North Palm Beach, Florida
Standard 2008-02-29 ValidFAA registration status code V: Valid registration. All codes
N7187R Cessna
182S
Fixed-wing, single engine Flying Roaches LLC
Dallas, Texas
Standard 2008-02-20 ValidFAA registration status code V: Valid registration. All codes
N1102N Piper
PA-32-300
Fixed-wing, single engine World Class Athletic Surfaces INC
Leland, Mississippi
Standard 2008-02-19 ValidFAA registration status code V: Valid registration. All codes
N196PW Cessna
182T
Fixed-wing, single engine C I Mckown & Son INC
Newton, West Virginia
Standard 2008-02-15 ValidFAA registration status code V: Valid registration. All codes
N84GT Socata
TB-20 TRINIDAD
Fixed-wing, single engine Dodson International Parts INC
Rantoul, Kansas
Standard 2008-02-11 ValidFAA registration status code V: Valid registration. All codes
N3039P Socata
TB-20 TRINIDAD
Fixed-wing, single engine Individual owner
Indiana
Standard 2008-01-30 ValidFAA registration status code V: Valid registration. All codes

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 9, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.